Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.6:4150] Modules linked in: irq event stamp: 5045545 hardirqs last enabled at (5045544): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (5045545): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1106 softirqs last enabled at (5009892): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (5009895): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 4150 Comm: syz-executor.6 Not tainted 5.10.237 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__orc_find+0x4d/0xf0 arch/x86/kernel/unwind_orc.c:50 Code: 0f 87 a2 00 00 00 49 bf 00 00 00 00 00 fc ff df 49 89 fe 48 89 fd eb 0c 48 8d 6b 04 49 89 de 49 39 ec 72 4d 4c 89 e0 48 29 e8 <48> 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d 5c 85 00 RSP: 0018:ffff88806ce09588 EFLAGS: 00000212 RAX: 0000000000000004 RBX: ffffffff857269a4 RCX: ffffffff816cc624 RDX: 0000000000000000 RSI: ffffffff85a17ca8 RDI: ffffffff8572699c RBP: ffffffff8572699c R08: ffffffff85a17ca8 R09: ffffffff85a17cf6 R10: 0000000000032042 R11: 1ffff1100d9c12c2 R12: ffffffff857269a0 R13: ffffffff8572699c R14: ffffffff8572699c R15: dffffc0000000000 FS: 00007fb80b188700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f666acb0010 CR3: 000000000e6ea000 CR4: 0000000000350ef0 Call Trace: orc_find arch/x86/kernel/unwind_orc.c:178 [inline] unwind_next_frame+0x2b3/0x1a90 arch/x86/kernel/unwind_orc.c:448 arch_stack_walk+0x83/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc9/0xd0 mm/kasan/common.c:461 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x13b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] kmem_cache_alloc_node+0x169/0x330 mm/slub.c:2932 __alloc_skb+0x6d/0x5b0 net/core/skbuff.c:200 __netdev_alloc_skb+0x6e/0x360 net/core/skbuff.c:448 netdev_alloc_skb include/linux/skbuff.h:2855 [inline] dev_alloc_skb include/linux/skbuff.h:2868 [inline] __ieee80211_beacon_get+0x3af/0x1440 net/mac80211/tx.c:4876 ieee80211_beacon_get_tim+0x88/0x9f0 net/mac80211/tx.c:4990 ieee80211_beacon_get include/net/mac80211.h:4912 [inline] mac80211_hwsim_beacon_tx+0x111/0x940 drivers/net/wireless/mac80211_hwsim.c:1740 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1588 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1652 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1669 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:qlink_free mm/kasan/quarantine.c:151 [inline] RIP: 0010:qlist_free_all+0x54/0xe0 mm/kasan/quarantine.c:170 Code: bd 00 00 00 00 00 fc ff df eb 2c 48 63 87 c0 00 00 00 4c 8b 3e 48 c7 c2 05 c6 6c 81 48 29 c6 48 89 f0 48 c1 e8 03 c6 04 28 fb 27 c6 ff ff 4d 85 ff 74 44 4c 89 fe 48 89 df 48 85 db 75 cc 48 RSP: 0018:ffff888045fcf820 EFLAGS: 00000212 RAX: 1ffff110017f332a RBX: 0000000000000000 RCX: ffffea00002fe600 RDX: ffffffff816cc605 RSI: ffff88800bf99950 RDI: ffff88800804d640 RBP: dffffc0000000000 R08: 0000000000000011 R09: ffffffff816cc601 R10: ffff88800e1d2000 R11: 0000000000000001 R12: ffff888045fcf858 R13: 0000000080000000 R14: ffffffff80000000 R15: ffff888017ec7440 quarantine_reduce+0x184/0x210 mm/kasan/quarantine.c:267 __kasan_kmalloc.constprop.0+0xa2/0xd0 mm/kasan/common.c:442 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x13b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] kmem_cache_alloc_node_trace+0x16d/0x340 mm/slub.c:2946 kmalloc_node include/linux/slab.h:570 [inline] kzalloc_node include/linux/slab.h:675 [inline] create_io_worker+0xe8/0x690 io_uring/io-wq.c:816 io_wqe_create_worker io_uring/io-wq.c:313 [inline] io_wqe_enqueue+0x69e/0xbe0 io_uring/io-wq.c:948 io_queue_async_work+0x26b/0x4f0 io_uring/io_uring.c:1484 __io_queue_sqe+0x5cc/0x9d0 io_uring/io_uring.c:7104 io_queue_sqe io_uring/io_uring.c:7122 [inline] io_submit_sqe io_uring/io_uring.c:7299 [inline] io_submit_sqes+0x44aa/0x8610 io_uring/io_uring.c:7405 __do_sys_io_uring_enter+0x6b2/0x1890 io_uring/io_uring.c:9943 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fb80dc12b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb80b188188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa RAX: ffffffffffffffda RBX: 00007fb80dd25f60 RCX: 00007fb80dc12b19 RDX: 0000000000000000 RSI: 00000000000058ab RDI: 0000000000000003 RBP: 00007fb80dc6cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffea89fe6ff R14: 00007fb80b188300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] NMI backtrace for cpu 1 skipped: idling at default_idle+0xe/0x20 arch/x86/kernel/process.c:711 ---------------- Code disassembly (best guess): 0: 0f 87 a2 00 00 00 ja 0xa8 6: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15 d: fc ff df 10: 49 89 fe mov %rdi,%r14 13: 48 89 fd mov %rdi,%rbp 16: eb 0c jmp 0x24 18: 48 8d 6b 04 lea 0x4(%rbx),%rbp 1c: 49 89 de mov %rbx,%r14 1f: 49 39 ec cmp %rbp,%r12 22: 72 4d jb 0x71 24: 4c 89 e0 mov %r12,%rax 27: 48 29 e8 sub %rbp,%rax * 2a: 48 89 c2 mov %rax,%rdx <-- trapping instruction 2d: 48 c1 e8 3f shr $0x3f,%rax 31: 48 c1 fa 02 sar $0x2,%rdx 35: 48 01 d0 add %rdx,%rax 38: 48 d1 f8 sar %rax 3b: 48 8d 5c 85 00 lea 0x0(%rbp,%rax,4),%rbx